IBM Aptiva 2142 Hardware Maintenance Service

Also see for Aptiva 2140: Maintenance service manual Hardware maintenance service

Removals and Replacements—Machine Type 2140,2142See Safety Notice 1: Translation on page xiBefore removing any FRU, power-off the computer, unplug all powercords from electrical outlets, then disconnect any interconnecting cables.Attention: The system board, processors, adapter cards, DIMMs, andupgrade processors can be damaged by electrostatic discharge. Use anelectrostatic discharge (ESD) strap to establish personal grounding. If youdon’t have an ESD strap, establish personal grounding by touching a groundpoint with one hand before touching the static-sensitive FRUs.Note: Machine Type 2140, 2142 might contain drives and devices notillustrated in this book. Follow replacement instructions for the same sizedevice if in doubt. See Appendix B, “Model/Monitor Configurations and FRUPart Numbers” on page B-1 for exact model configurations.The arrows in the removals and replacements procedures show the directionof movement to remove a field-replaceable unit (FRU), to turn a screw, or topress a tab to release the FRU.Begin all removals by removing the cover (and rear cover, if applicable).When other FRUs must be removed prior to removing the failing FRU, theyare listed at the top of the page. Go to the removal procedure for each FRUlisted, remove the FRU, and then continue with the removal of the failingFRU.To replace a FRU, reverse the removal procedure and follow any notes thatpertain to replacement. See “Parts/Test Point Locations” on page 5-1 forinternal cable connection and arrangement information.Before disconnecting any cables, note their locations. Reinstall any newFRUs with cables in the same locations.4-2All manuals and user guides at all-guides.com